321Eh Voltage Limit Function Maximum permissible PWM voltage (duty cycle). Values ≤ 1000 are interpreted as per mil values (of the available voltage). Values > 1000 as millivolt. See also chapter Controller structure. Object description Index 321Eh Object name Voltage Limit Object Code VARIABLE Data type UNSIGNED32 Savable yes, category: application Access read / write PDO mapping no Allowed values Preset value Firmware version FIR-v2213-B1028181 Change history Description Also dependent on this value is whether the overmodulation of the voltage vector is used. If overmodulation is used, a higher torque can be achieved. The resulting voltage is no longer sinusoidal, which can result in harmonics and higher losses. Value in mV Overmodulation 1001…U o_low None; the voltage vector describes a circle. U o_low…U o_high The voltage vector describes a circle that is increasingly flattened on four/six sides in proportion to the set value. ≥U o_high Full; the voltage vector describes a square or a hexagon. U o_low The lowest voltage above which overmodulation occurs. Is calculated as follows: Operating voltage*0.9425 U o_high The maximum overmodulation occurs above this voltage. Is calculated as follows: With two-phase stepper motors: operating voltage*1.063 With three-phase BLDC motors: operating voltage*0.99
321Eh Voltage Limit Function Maximum permissible PWM voltage (duty cycle). Values ≤ 1000 are interpreted as per mil values (of the available voltage). Values > 1000 as millivolt. See also chapter Controller structure. Object description Index 321Eh Object name Voltage Limit Object Code VARIABLE Data type UNSIGNED32 Savable yes, category: application Access read / write PDO mapping no Allowed values Preset value Firmware version FIR-v2213-B1028181 Change history Description Also dependent on this value is whether the overmodulation of the voltage vector is used. If overmodulation is used, a higher torque can be achieved. The resulting voltage is no longer sinusoidal, which can result in harmonics and higher losses. Value in mV Overmodulation 1001…U o_low None; the voltage vector describes a circle. U o_low…U o_high The voltage vector describes a circle that is increasingly flattened on four/six sides in proportion to the set value. ≥U o_high Full; the voltage vector describes a square or a hexagon. U o_low The lowest voltage above which overmodulation occurs. Is calculated as follows: Operating voltage*0.9425 U o_high The maximum overmodulation occurs above this voltage. Is calculated as follows: With two-phase stepper motors: operating voltage*1.063 With three-phase BLDC motors: operating voltage*0.99
Function Maximum permissible PWM voltage (duty cycle). Values ≤ 1000 are interpreted as per mil values (of the available voltage). Values > 1000 as millivolt. See also chapter Controller structure.
Object description Index 321Eh Object name Voltage Limit Object Code VARIABLE Data type UNSIGNED32 Savable yes, category: application Access read / write PDO mapping no Allowed values Preset value Firmware version FIR-v2213-B1028181 Change history
Description Also dependent on this value is whether the overmodulation of the voltage vector is used. If overmodulation is used, a higher torque can be achieved. The resulting voltage is no longer sinusoidal, which can result in harmonics and higher losses. Value in mV Overmodulation 1001…U o_low None; the voltage vector describes a circle. U o_low…U o_high The voltage vector describes a circle that is increasingly flattened on four/six sides in proportion to the set value. ≥U o_high Full; the voltage vector describes a square or a hexagon. U o_low The lowest voltage above which overmodulation occurs. Is calculated as follows: Operating voltage*0.9425 U o_high The maximum overmodulation occurs above this voltage. Is calculated as follows: With two-phase stepper motors: operating voltage*1.063 With three-phase BLDC motors: operating voltage*0.99
